Implants have been used in dentistry for quite a long time, during which time doctors have had a lot of experience with implants. That is why in the leading clinics, where implants have been used for several years, the success rate is up to 98-99%.
Regarding the longevity of implants, there are patients who have been using implant-supported prostheses for over 25 years.
Of course dentures themselves, just like “real” teeth, can wear out and break. The difference is that they can be removed without much trouble and restored to their original appearance. However, by far the most important factors for satisfying the long-term results of your new teeth are careful oral hygiene and regular visits to the dentist.